Sameer Kumar Pattanaik

Sameer Kumar Pattanaik

APPLICATION DEVELOPMENT ASSOCIATE

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location of Sameer Kumar PattanaikBengaluru, Karnataka, India

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  • Timeline

  • About me

    Serving NP | Senior Software Engineer at Rakuten Symphony | Java | Spring Boot | Microservices | Kafka | SQL | NoSQL

  • Education

    • Kendriya Vidyalaya

      2004 - 2016
    • Lovely Professional University

      2016 - 2020
      Bachelor of Technology - BTech Computer Science
  • Experience

    • Accenture

      Feb 2021 - Sept 2022
      APPLICATION DEVELOPMENT ASSOCIATE

      1.Used spring boot and hibernate technologies to develop web application and Rest api's for adding functionalities to existing applications.2.Performed unit testing of applications by developing and applying test cases in JUnit.3.Supported code improvements that resulted in a 20% boost in app stability during quality assurance, user acceptance testing, and post implementation.

    • Rakuten Symphony

      Sept 2022 - now

      • Built scalable backend services in Java for Rakuten B2B Mobile Network and B2C ISP users, adeptly handling 1 million monthly active users• Implemented an event-driven architecture leveraging Confluent Kafka to enable real-time inventory status updates,enhancing the system’s ability to handle high-volume data efficiently (20K+ lines). • Resolved a critical production concurrency issue impacting resource reservation. Utilized a robust locking mechanism to ensure data integrity by preventing duplicate records.• Initiated the design and development of an Inventory Dashboard, incorporating Keycloak access and a Spring Boot backend, resulting in a 50% reduction in manual monitoring and uploading efforts for resources.• Enhanced API performance by 89%, decreasing response time from 1 hour to 6 minutes while processing 150k records.Achieved performance gains through optimization. Show less

      • Senior Software Engineer

        Apr 2024 - now
      • Software Engineer

        Sept 2022 - Mar 2024
  • Licenses & Certifications

    • Building Cloud Services with the Java Spring Framework

      Coursera
      May 2020
      View certificate certificate
    • Java for Android

      Coursera
      Oct 2019
      View certificate certificate
    • Microsoft Certified: Azure Fundamentals

      Microsoft
      Mar 2022
      View certificate certificate
    • Java SE & EE Programmer I

      Accenture
      Sept 2021
    • Advanced J

      APTRON Solutions Private Limited
      Jul 2018
    • Modern JavaScript: ES6 Basics

      Coursera
      Jun 2020
    • Proficiency in English

      Aspiring Minds
      View certificate certificate
  • Volunteer Experience

    • Event Manager

      Issued by ALTIORA-EMS on Sept 2017
      ALTIORA-EMSAssociated with Sameer Kumar Pattanaik